<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<link rel="stylesheet" type="text/css" href="../css/new_file.css"/>
		<style type="text/css">
			p{
				font-size: 50px;
			}
			/* 群组选择器 */
			p,div,h1{
				font-size: 40px;		
			}
		</style>
	</head>
	<body>
		<div id="xuanzeqi">id选择器</div>
		<div class="c">类选择器</div>
		<p>标签选择器</p>
	</body>
</html>
